lkml.org 
[lkml]   [2019]   [Jan]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH v2] PM/runtime: Fix autosuspend_delay on 32bits arch
    * Vincent Guittot <vincent.guittot@linaro.org> [190110 09:00]:
    > Cast autosuspend_delay in u64 to make sure that the full computation of
    > expires or slack will be done in u64, even on 32bits arch.
    > Otherwise, any delay greater than 2^31 nsec can overflow if signed 32bits
    > is used when moving delay from msec to nsec
    >
    > Fixes: 8234f6734c5d ("PM-runtime: Switch autosuspend over to using hrtimers")
    > Reported-by: Tony Lindgren <tony@atomide.com>
    > Tested-by: Tony Lindgren <tony@atomide.com>
    > Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>
    > ---
    >
    > Change since v1:
    > - add u64 cast for slack computation

    Still works for me.

    Thanks,

    Tony

    \
     
     \ /
      Last update: 2019-01-10 17:45    [W:4.615 / U:0.000 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site